San Mateo County property record for 88 Middlefield Rd, Atherton, CA 94027
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3 ba · 2,670 sqft · built 1954 |
| Lot Size | 1 acres (43,938 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,250,000 (Jun 2012) |
| Tax Bill | $33,870 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 060-210-030 |
| Primary APN | 060-210-030 |
|---|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 8 Rooms |
| Stories | 1 Story |
| Building Area | 2,670 sqft Living Area |
| 1st Floor Area | 2,230 sqft |
| Family Room | Family Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1954 |
|---|---|
| Effective Year Built | Effective 1954 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Construction Type | Frame |
| Roof Material | Wood Shingle |
| Lot Area | 43,938 sqft |
| Garage Type | Carport |
| Carport | Carport |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 88 MIDDLEFIELD RD |
|---|---|
| City | ATHERTON |
| State | CA |
| Zip | 94027-3020 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1001A |
| Legal Description | ON SLY LN OF MIDDLEFIELD RD COM APPROX 185 FT SWLY FRM FAIR OAKS LANE PTN LOT 18 VILLA LOTS FAIR OAKS RSM C/3TOWN OF ATHERTON |
| Legal Subdivision | VILLA LOTS FAIR OAKS |
| Legal Lot Number | 18 |
| Jurisdiction | SAN MATEO CA |
| Township / Civil Division | SAN MATEO |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 611500 |
88 Middlefield Rd is owned and occupied by two individuals who bought it in June 2012.
Source: San Mateo County records, as of July 15, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 88 MIDDLEFIELD RD, ATHERTON, CA 94027-3020 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 28, 2012 · Amount on File |
| Deed Sale | Jun 28, 2012 · Amount on File |
| Prior Sale | Oct 11, 1995 · Amount on File |
| Deed Document Number | 201291412 |
| Prior Transfer Date | Dec 22, 2010 |
| Prior Transfer Doc | 0000010521 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 88 Middlefield Rd was $33,870.
Source: San Mateo County assessment roll, as of July 15, 2026
| Type | Name |
|---|---|
| State | California |
| Municipality | Atherton Town |
| County | San Mateo County |
| Elementary School District | Menlo Park City Elementary School District (KG - 08) |
| Secondary School District | Sequoia Union High School District (09 - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $2,882,636 (+2%) Land $2,818,585 Building $64,051 | ||
| 2025 | $33,870.00 | $2,826,115 Land $2,763,319 Building $62,796 | |
| 2023 | $32,269.00 (+2.46%) | $2,716,375 Land $2,656,017 Building $60,358 | $3,641,490 |
| 2022 | $31,494.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 88 Middlefield Rd in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective September 10, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 4 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 88 Middlefield Rd is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | None beyond ember reach |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | CALIFORNIA WATER SERVICE - BEAR GULCH private · serves 60,382 people · EPA ID CA4110006 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Feb 2025 |
| Lead | 4 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 313 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Race Communications Fiber | 10,000 / 10,000 |
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, GeoLinks, Sonic Telecom, T-Mobile.
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